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Direct linkAgrillo, Christian; Piffer, Laura; Bisazza, Angelo – Cognition, 2011
In quantity discrimination tasks, adults, infants and animals have been sometimes observed to process number only after all continuous variables, such as area or density, have been controlled for. This has been taken as evidence that processing number may be more cognitively demanding than processing continuous variables. We tested this hypothesis…
Descriptors: Animals, Discrimination Learning, Hypothesis Testing, Visual Stimuli
Brannon, Elizabeth M.; Abbott, Sara; Lutz, Donna J. – Cognition, 2004
This brief report attempts to resolve the claim that infants preferentially attend to continuous variables over number [e.g. Psychol. Sci. 10 (1999) 408; Cognit. Psychol.44 (2002) 33] with the finding that when continuous variables are controlled, infants as young as 6-months of age discriminate large numerical values [e.g. Psychol. Sci. 14 (2003)…
Descriptors: Number Concepts, Numbers, Infants, Discrimination Learning
